Fix the deprecation of the id generation command

Removing the command constructor inherited the parent one passing a name as first argument

Author: stof

src/Flex.php

@@ -275,7 +275,7 @@ class_exists(__NAMESPACE__.str_replace('/', '\\', substr($file, \strlen(__DIR__)
             $app->add(new Command\UnpackCommand($resolver));
             $app->add(new Command\RecipesCommand($this, $this->lock, $rfs));
             $app->add(new Command\InstallRecipesCommand($this, $this->options->get('root-dir')));
-            $app->add(new Command\GenerateIdCommand($this));
+            $app->add(new Command\GenerateIdCommand());
             $app->add(new Command\DumpEnvCommand($this->config, $this->options));
 
             break;